package com.sell.controller;

import com.sell.config.ProjectUrlConfig;
import com.sell.enums.ResultEnum;
import com.sell.exception.SellException;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

/**
 * Author: Xukai
 * Description:
 * CreateDate: 2018/6/26 1:16
 * Modified By:
 */
@Controller
@RequestMapping("/wechat")
@Slf4j
public class WechatController {

    @Autowired
    private WxMpService wxMpService;

    @Autowired
    private WxMpService wxOpenService;

    @Autowired
    private ProjectUrlConfig projectUrlConfig;

    @RequestMapping("/authorize")
    public String authorize(@RequestParam("returnUrl") String returnUrl) {
        // 配置
        // 调用方法
        String redirectURI = wxMpService.oauth2buildAuthorizationUrl(projectUrlConfig.getWechatMpAuthorize() + "/sell/wechat/userInfo", WxConsts.OAuth2Scope.SNSAPI_BASE, returnUrl);
        return "redirect:" + redirectURI;
    }

    @GetMapping("/userInfo")
    public String userInfo(@RequestParam("code") String code, @RequestParam("state") String returnUrl) {
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken;
        try {
            wxMpOAuth2AccessToken = wxMpService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("【微信网页授权】 {}", e);
            throw new SellException(ResultEnum.WX_MP_ERROR.getCode(), e.getError().getErrorMsg());
        }
        String openId = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:" + returnUrl + "?openid=" + openId;
    }

    @GetMapping("/qrAuthorize")
    public String qrAuthorize(@RequestParam("returnUrl") String returnUrl) {
        String redirectUrl = wxOpenService.buildQrConnectUrl(projectUrlConfig.getWechatOpenAuthorize() + "/sell/wechat/qrUserInfo", WxConsts.QrConnectScope.SNSAPI_LOGIN, returnUrl);
        return redirectUrl;
    }

    @GetMapping("/qrUserInfo")
    public String qrUserInfo(@RequestParam("code") String code, @RequestParam("state") String returnUrl) {
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken;
        try {
            wxMpOAuth2AccessToken = wxOpenService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("【微信网页授权】 {}", e);
            throw new SellException(ResultEnum.WX_MP_ERROR.getCode(), e.getError().getErrorMsg());
        }
        String openId = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:" + returnUrl + "?openid=" + openId;
    }

}
